<?php
/**
 * crcl/base
 *
 * Copyright 2013 CRCL - André Sabosch - info@crcl.de
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace crcl\base\template\instructions;

interface IContent
{
}

class ContainerContent extends Base implements IContent, IConcrete
{
  public function execute()
  {
    $sVar = $this->getAttribute('content');
    $sOutput = $this->compileVar($sVar);

    if (($this->hasAttribute('scope')) && ($this->getAttribute('scope') == 'attribute'))
    {
      $this->sScope = \crcl\base\template\Instruction::SCOPE_ATTRIBUTE;
      $this->aAttributesTriggered = array($this->getAttribute('attribute') => $sOutput);
    }
    else
    {
      $this->sOutput = $sOutput;
      $this->sScope = \crcl\base\template\Instruction::SCOPE_CURRENT;
    }
  }

  /** PRIVATE *************************************************************************************/

  protected $aAllowedAttributes = array('content', 'scope', 'attribute');

  private function compileVar($sTerm)
  {
    if (\strpos($sTerm, '$') === \FALSE)
    {
      $sOut = $sTerm; //totally fixed
    }
    else
    {
      //dynamic and mixed
      $sOut = '{$oValues->out(\'' . $sTerm . '\')}';
    }

    return $sOut;
  }
}